Portable collapsible enclosure

Tent – canopy – umbrella – or cane – Portable shelter – Cone-shaped type

Patent

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Details

135110, 52109, E04H 1538

Patent

active

051217651

ABSTRACT:
A portable collapsible enclosure that can be erected for use or collapsed for transport or storage quickly and easily by a single person exercising minimal effort and possessing minimal skill. The enclosure comprises a plurality of frame members for defining the shape of the enclosure and for supporting a covering for the enclosure, expandable and foldable linking members interconnecting the plurality of frame members and being expandable to position the plurality of frame members and the enclosure defined thereby in an erected state, and foldable to position the plurality of frame members and the enclosure defined thereby in a collapsed state; and actuator members connected to the linkage members for expanding and folding the linkage members to erect and collapse the enclosure. The actuator members preferably comprise fluid-driven linear actuators that once actuated, operate automatically to erect and collapse the enclosure.

REFERENCES:
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patent: 4638610 (1987-01-01), Heikkinen
patent: 4748995 (1988-06-01), Viglione
patent: 4835918 (1989-06-01), Dippel
patent: 4844109 (1989-07-01), Navarro

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